CH254797A
(en )
1948-05-31
Process for making cryolite.
CH233236A
(en )
1944-07-15
Process for the compensation of objects.
CH225170A
(en )
1943-01-15
Device for attaching templates to duplicators.
CH259826A
(en )
1949-02-15
Process for purifying water.
CH238143A
(en )
1945-06-30
Process for the preparation of 4,4'-dibromo, ss-dimethyl-stilbene.
CH239848A
(en )
1945-11-15
Process for the preparation of 6-sulfanilamido-4-methyl-pyrimidine.
CH224979A
(en )
1942-12-31
Process for the production of diazotypes.
CH265512A
(en )
1949-12-15
Process for the preparation of durable solutions of polythionates.
CH236015A
(en )
1945-01-15
Process for the production of perchlorethylene.
CH221732A
(en )
1942-06-15
Process for the production of carbon bodies.
CH236224A
(en )
1945-01-31
Process for the preparation of acetyl-iso-malodinitrile.
CH236545A
(en )
1945-02-28
Process for the vegetative propagation of woody plants.
CH236713A
(en )
1945-02-28
Process for the production of a-monochloro-e-caprolactam.
CH236716A
(en )
1945-02-28
Process for the production of x-chloro-e-methyl-e-caprolactam.
CH226041A
(en )
1943-03-15
Process for the production of fluoroscopic copies of originals containing halftones.
CH226564A
(en )
1943-04-15
Method for producing breaker contacts.
CH220202A
(en )
1942-03-31
Process for the production of sodium persulfate.
CH272839A
(en )
1951-01-15
Process for purifying drinking water.
CH229408A
(en )
1943-10-31
Process for the manufacture of rigid shoe caps.
CH225996A
(en )
1943-03-15
Method for treating wort with activated charcoal.
CH237407A
(en )
1945-04-30
Process for the production of printing forms.
CH236714A
(en )
1945-02-28
Process for the preparation of y-methyl-x-chloro-e-caprolactam.
CH225788A
(en )
1943-02-28
Process for the treatment of super polyamides.
CH266888A
(en )
1950-02-28
Process for the electrolysis of aqueous solutions.
CH236715A
(en )
1945-02-28
Process for the production of x-chloro-o-methyl-e-caprolactam.